| Player | Team | Action | Details | |
|---|---|---|---|---|
| Derek Dietrich | Shaolin Schmeckles | ADD | to MLB | 1:28 pm, 8/6/18 |
| Vidal Brujan | The Bluth Company | ADD | to AA | 12:49 pm, 8/6/18 |
| Aledmys Diaz | Purple Cobras | ADD | to MLB | 7:24 pm, 8/5/18 |
| Ariel Jurado | Supreme Clientele | ADD | to AA | 4:00 pm, 8/5/18 |
| Christian Villanueva | Shaolin Schmeckles | ADD | to MLB | 1:47 pm, 8/5/18 |
| Antonio Cabello | The Bluth Company | ADD | to A | 1:16 pm, 8/5/18 |
| Rogelio Armenteros | The Bluth Company | ADD | to AAA | 11:35 am, 8/5/18 |
| Francisco Cervelli | The Red Barons | ADD | to MLB | 2:46 am, 8/5/18 |
| Pavin Smith | The Bluth Company | ADD | to A | 1:09 am, 8/5/18 |
| Logan Morrison | Geckos | ADD | to MLB | 4:40 pm, 8/4/18 |
| Joey Wendle | Geckos | ADD | to MLB | 4:06 pm, 8/4/18 |
| Kendrys Morales | Kimble's Kids | ADD | to MLB | 11:43 am, 8/4/18 |
| Yusmeiro Petit | Kimble's Kids | ADD | to MLB | 11:01 am, 8/4/18 |
| Mark Reynolds | Kimble's Kids | ADD | to MLB | 11:00 am, 8/4/18 |
| Marco Estrada | Kimble's Kids | ADD | to MLB | 10:04 am, 8/4/18 |
| Addison Reed | Chinballs | ADD | to MLB | 6:18 pm, 8/3/18 |
| Chris Stratton | Chinballs | ADD | to MLB | 6:11 pm, 8/3/18 |
| Jason Martin | Ye Olde Tom Toolshed | ADD | to AAA | 1:20 pm, 8/3/18 |
| Chance Adams | Purple Cobras | ADD | to AA | 12:34 pm, 8/3/18 |
| Ramon Laureano | The Bluth Company | ADD | to AAA | 11:29 am, 8/3/18 |
| Austin Slater | Purple Cobras | ADD | to AAA | 10:46 am, 8/3/18 |
| Genesis Cabrera | The Bluth Company | ADD | to AAA | 10:06 pm, 8/2/18 |
| Mitch Garver | Cowboys From Hell | ADD | to MLB | 7:10 pm, 8/2/18 |
| Bobby Wahl | Shaolin Schmeckles | ADD | to MLB | 6:11 pm, 8/2/18 |
| Chris Stratton | Shaolin Schmeckles | ADD | to MLB | 4:15 pm, 8/2/18 |